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A fan has 5 equally spaced blades suppose u line up 2 fans directly on top of each other what is the least number of degrees that u can rotate the top fan so that the two fans are perfectly aligned again? \
 Answers:
120°
60°
90°
72° 

Respuesta :

∠ between adjacent blades = 360/5 = 72

So answer is 72°

LucyNeedsMathHelp
360° / 5° = 72°

72 degrees is the least number one can rotate the top fan so that the two fans are aligned.

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